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发明名称
METHOD FOR SUPPORTING HORIZONTAL PREPARATORY WORKINGS
摘要
申请公布号
SU949189(A1)
申请公布日期
1982.08.07
申请号
SU19803216896
申请日期
1980.12.16
申请人
PODMOSKOVNYJ NI PK UGOLNYJ INSTITUT
发明人
BUSAROV YURIJ F,SU;KAZANSKIJ YURIJ V,SU;GUBIN NIKOLAJ I,SU;TSYPLAKOV BORIS V,SU;PRIB EMIL E,SU
分类号
E21D11/00;E21D11/14;E21D13/02;(IPC1-7):E21D11/00
主分类号
E21D11/00
代理机构
代理人
主权项
地址
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